<!--views/subCategory/index.vue-->
<script setup lang="ts">
// import GoodsItem from '@/components/goodsItem/index.vue';
import { getCategoryFilterAPI, getSubCategoryAPI } from '@/apis/category';
import { onMounted, ref } from 'vue';
import { useRoute } from 'vue-router';

const route = useRoute();
const categoryFilter = ref({});
const getCategoryFilter = async () => {
  const res = await getCategoryFilterAPI(route.params.id);
  categoryFilter.value = res.data.result;
};

//获取基础列表数据   views/subCategory/index.vue
const goodList = ref([]);
const baseListData = ref({
  category: route.params.id,
  page: 1,
  pageSize: 20,
  sortField: 'publishTime',
});

const getSubCategory = async () => {
  const res = await getSubCategoryAPI(baseListData.value); //数据要传进去
  // console.log(res)
  goodList.value = res.data.result.items;
};

const tabChange = () => {
  disabled.value = false;
  baseListData.value.page = 1;
  getSubCategory();
};

onMounted(() => {
  getCategoryFilter();
  getSubCategory();
});

const disabled = ref(false);
//load回调
const load = async () => {
  console.log('加载更多数据喽');
  //页数加一
  baseListData.value.page++;
  //获取下一页的数据
  const res = await getSubCategoryAPI(baseListData.value);
  //将新旧数据拼接  使用...,把拼接的数组重新赋值给baseListData
  goodList.value = [...goodList.value, ...res.data.result.items];

  //如果items为空，则停止加载
  if (res.data.result.items.length === 0) {
    disabled.value = true;
  }
};
</script>

<template>
  <div class="container">
    <!-- 面包屑 -->
    <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item
          :to="{ path: `/category/${categoryFilter.parentId}` }"
          >{{ categoryFilter.parentName }}
        </el-breadcrumb-item>
        <el-breadcrumb-item>{{ categoryFilter.name }}</el-breadcrumb-item>
      </el-breadcrumb>
    </div>

    <div class="sub-container">
      <el-tabs v-model="baseListData.sortField" @tab-change="tabChange">
        <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
        <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
        <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
      </el-tabs>
      <div
        class="body"
        v-infinite-scroll="load"
        :infinite-scroll-disabled="disabled"
      >
        <!-- 商品列表-->
        <GoodsItem :goods="goods" v-for="goods in goodList" :key="goods.id" />
      </div>
    </div>
  </div>
</template>

<style lang="scss" scoped>
.bread-container {
  padding: 25px 0;
  color: #666;
}

.sub-container {
  padding: 20px 10px;
  background-color: #fff;

  .body {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }

  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;

    img {
      width: 160px;
      height: 160px;
    }

    p {
      padding-top: 10px;
    }

    .name {
      font-size: 16px;
    }

    .desc {
      color: #999;
      height: 29px;
    }

    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }

  .pagination-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }
}
</style>
